.header {
    width: 1240px;
    height: 70px;
    margin: 0 auto;
    margin: 30px auto;
}
.logo{
    width: 207px;
    height: 70px;
    float: left;
    margin: 0 auto;
}
.logo h1{
    width: 207px;
    height: 70px;
}
.logo h1 a{
    display: block;
    width: 207px;
    height: 70px;
    background-image: url(../images/logo.png);
    background-size: contain;
}
.nav{
    float: left;
    margin-left: 70px;
    height: 70px;
    width: 700px;
}
.nav li{
    float: left;
    margin-right: 47px;
    line-height: 70px;
    font-size: 16px;
    color: #333333;
}
.search{
    float: left;
    width: 172px;
    height: 30px;
    margin-left: 34px;
    margin-top: 24px;
    border-bottom: 2px solid #e7e7e7;
    position: relative;
}
.search input{
    width: 172px;
    height: 28px;
    padding-left: 1.5em;
}
.search input::placeholder{
    font-size: 14px;
    color: #ccc;
}
.search span{
    position: absolute;
    left: 2px;
    top:5px;
    width: 18px;
    height: 18px;
    display: inline-block;
    background-image: url(../images/sprites.png);
    background-position: -79px -69px;
}


.car{
    float: left;
    width: 23px;
    height: 23px;
    margin-left: 30px;
    background-image: url("../images/sprites.png");
    background-position: -119px -69px;
    margin-top: 28px;
}
